#include <iostream>

class Trace {
 public:
  Trace(const std::string& name) : name_(name) {
    // integrate with sys API to start systrace
    // std::cout << "start trace: " << name_ << std::endl;
  }
  ~Trace() {
    // integrate with sys API to stop systrace
    // std::cout << "end trace: " << name_ << std::endl;
  }

 private:
  std::string name_;
};